Miles between Decatur, IL and Portsmouth, NH

There are
1,156 mi
from Decatur, IL to Portsmouth, NH

That's the driving distance. It would take 22 hours 5 mins to go from Decatur, Illinois to Portsmouth, New Hampshire.

The flight distance (direct flight from Decatur, IL to Portsmouth, NH) is 966.04 mi.

1,156 mi = 1.61 kms